Antifrosting attachment for car-windows.



No. 732,087. PATENTED JUNE 30, 1903.

A. LB BLANG. r i ANTIFROSTING ATTACHMENT FOR GAR WINDOWS.

APPLICATION FILED FEB. 12. 1903.

no MODEL.

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No. 732,087. Patented June 30, 1903.

UNITED STATES PATENT OFFICE.

ARTHUR LE BLANO, OF WORCESTER, MASSACHUSETTS, ASSIGNOR OF ONE- HALF TO JOSEPH LABINE, OF NASHUA, NEW HAMPSHIRE.

ANTIFROSTING ATTACHMENT FOR CAR-WINDOWS.

SPECIFICATION forming part of Letters Patent No. 732,087, dated June 30, 1903.

Application filed February 12,1903. Serial No. 143,002. (No model.)

T at whom it may concern: tween the window-panes. A cut-out device Beitknown thatLARTHURLE BLANO,acitiis also preferably provided, so that the heatzen of the United States, residing at Worcesing-coil need not be operated except when it for, in the county of Worcester and State of is desired to dry or warm the air-space be- Massachusetts, have invented a new and usetween the window-panes. ful Antifrosting Attachment for Oar-Win- Referring to the accompanying drawings dows, of which the following is a specification. for a detail description of an antifrosting at- This invention relates to a construction tachment constructed according to myinvenwhich has been designed with a View of fation, A designates an ordinary electric car. :0 cilitating the running of electric cars or for In the present instance the car A has a vesother purposes by preventing windows from tibule or closed forward end. frosting or moisture from collecting thereon Secured on the front of the car, so as to in sucha manner as to obstruct the viewof the overlap and form a protecting double window motor-man. for the front pane of the car-vestibule, is an 15 To these ends this invention consists of the attachment constructed according to my inantifrosting attachment which has been esvention. pecially devised for application to electric- As herein illustrated, my antifrosting atcar windows or. which may be used in other tachment comprises an outside sash or frame locations. 10, which may be applied to the front of the 20 In the accompanying drawings, Figure l is car by means of clips or small angle-irons 11. a perspective view of sufficient parts of a car Opening through the front of the lower bar to illustrate the application ofmy invention of the sash 10 are a number of inlets 12, and thereto. Fig. 2 is an enlarged perspective opening through the top bar of the sash 10 view of myantifrosting attachment, and Fig. are outlets 13. As shown most clearly in 25 3 is an enlarged fragmentary view thereof. Fig. 3, the lower bar of the sash is provided In the operation of electric cars or in other with an overhanging head 14, and secured situations where it is necessary to maintain in place by the head 14 is a perforated slide an outlook through exposed windows or panes or damper 15, the holes through which coopof glass a source of considerable difficulty crate with the air-inlets 12. The slide 15 is 30 and in some cases even danger is due to the held in place by a retaining-strip 16. 8o frostingof the windoW-panesor the collection Mounted in the frame 10 and extending of moisture thereon in such a manner as to across the air-inlets 12 is a heating-coil 1'7. obscure the vision and interfere with the The heating-coil 17 is preferably supplied by safety of the car and its passengers. a shunt from the trolley-circuit, and the our- 5 The especial object of my present invention rent for the heating-coil may be turned on or is to provide an antifrosting attachment for off by the switch 18. 1 car-windows which is designed to secure a cir- By means of this construction the space beculation of heated air in such a manner that tween the panes of glass at the front of an the windows maybekept absolutely free from electric car may be heated or dried as fre- 40 moisture or may be dried elf as frequently as quently as required, or a suificient circularequired. tion of heated air may be maintained there- To these ends an attachment constructed through to efficiently prevent the frosting or according to my invention consists, essencollection of moisture on the window-panes, tially, of a heating-coil which is inclosed in and by means of this construction a motor- 5 the space between the inside and outside winman may retain an unobstructed view of the 5 dow-frames. This heating-coil is preferably track, even in severest weather. supplied with current from the trolley-cir- I am aware that changes may be made in cuit, and cooperating with the heating-coil I practicing myinvention and that my attachpreferably provide draftinlets controlling the ment may be used for other purposes besides 5o circulation of air through the air-space bethat of application to electric cars. I do not too the top bar of the casing, an electric (heatingcoil mounted in the lower part of the casin g over the air-inlet holes, and a switch for controlling the operation of the heating-coil.

In testimony whereof I have hereunto set my hand in the presence of two subscribing desire, therefore, to be limited to the construction I have herein shown and described; but

What I do claim, and desire to secure by 15 Letters Patent of the United States, 'is

An antifrosting attachment for car-Windows, comprising a casing adapted to be se- Witnesses. cured to the front of a car to protect a front ARTHUR LE BLANO. Window thereof, inlet-holes opening through Witnesses:

PHILIP W. SOUTHGATE, LoUIs W. SOUTHGATE.

the lower bar thereof, a perforated slide controlling the inlet-holes, outlet-holes through 

